Multiple Choice Flashcards on 02 Databricks Certified Machine Learning Profes...

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Flashcard Practice Databricks Certified Machine Learning Professional Multiple Choice

Which Spark ML stage type should be selected when the workflow needs to learn a classifier from a training DataFrame?

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A ParamGridBuilder, because it transforms feature rows into probability columns. An Evaluator such as BinaryClassificationEvaluator, because it creates predictions. A Transformer such as SQLTransformer, because it returns metrics after fitting. An Estimator such as LogisticRegression, because it fits a model from data.

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